2.05 Angstrom Resolution Crystal Structure of Peptidoglycan-Binding Protein from Clostridioides difficile in Complex with Glutamine Hydroxamate.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 295 | Protein: 7.8 mg/ml, 0.25M Sodium chloride, 0.01M Tris HCl (pH 8.3), Screen: JCSG+ (B3), 0.1M Bicine (pH 8.5), 20% (w/v) PEG 6000. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.41 | 49.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 134.949 | α = 90 |
| b = 35.008 | β = 126.25 |
| c = 101.533 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MARMOSAIC 300 mm CCD | C(111) | 2014-06-04 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.97872 | APS | 21-ID-F |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | |||||||
| 1 | 2.05 | 29.08 | 100 | 0.093 | 0.093 | 28.1 | 5 | 24487 | -3 | 32.2 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2.05 | 2.09 | 99.9 | 0.769 | 0.769 | 2.06 | 5 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.05 | 29.08 | 23265 | 1199 | 99.76 | 0.17346 | 0.17155 | 0.18 | 0.2103 | 0.21 | RANDOM | 48.198 | |||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 3.25 | 1.15 | -2.9 | -0.98 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 23.864 |
| r_dihedral_angle_3_deg | 8.916 |
| r_dihedral_angle_4_deg | 8.577 |
| r_long_range_B_refined | 6.114 |
| r_long_range_B_other | 5.992 |
| r_scangle_other | 2.715 |
| r_dihedral_angle_1_deg | 2.636 |
| r_mcangle_it | 2.425 |
| r_mcangle_other | 2.425 |
| r_scbond_it | 1.642 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2460 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 201 |
| Heterogen Atoms | 22 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-3000 | data reduction |
| HKL-3000 | data scaling |
| PHENIX | phasing |
